Description

EVERBUILD® B1 Handheld Fire Foam is a quick-setting one-part polyurethane foam with fire-retardant properties. The foam expands on application to up to 50 times its original volume and meets the test criteria
BS476 Part 20; Class B1. Fire rated up to 4 hours in certain joint configurations. Once cured the foam can be
cut sawn or plastered over after approximately one hour.

Uses :

• Filling:
  Gaps around pipe entries through fire-rated walls To provide a fire-rated seal around window and door
  frames
• Electrical wire chasing prior to plastering where a fire rating is required
• Deep joints prior to applying sealant or plaster
• Irregular gaps in stone brick concrete or plaster
  Fixing:
• Door frames
• Timber structures
• Windowsills and thresholds
• Window frames
• Insulating:
• Behind cladding to exterior walls
• Behind soffit and barge boards
• When used as part of a fire-rated joint use in conjunction with EVERFLEX® FIREMATE® intumescent sealant
  for maximum fire rating.

Characteristics/Advantages :

• High degree of fire rating: slows down the passage of flames and smoke
• Quick setting – can be cut sawn or plastered in 1 hour
• Economical in use – expands up to 50 times its original aerosol volume
• Fills irregular and broad gaps where most conventional fillers would fail
• Possesses insulating and sound deadening properties